1 /*
2 * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #include "precompiled.hpp"
25 #include "classfile/javaClasses.inline.hpp"
26 #include "code/codeCache.hpp"
27 #include "code/scopeDesc.hpp"
28 #include "interpreter/linkResolver.hpp"
29 #include "memory/oopFactory.hpp"
30 #include "memory/resourceArea.hpp"
31 #include "oops/generateOopMap.hpp"
32 #include "oops/fieldStreams.hpp"
33 #include "oops/oop.inline.hpp"
34 #include "oops/objArrayOop.inline.hpp"
35 #include "runtime/fieldDescriptor.hpp"
36 #include "runtime/javaCalls.hpp"
37 #include "jvmci/jvmciRuntime.hpp"
38 #include "compiler/abstractCompiler.hpp"
39 #include "compiler/compileBroker.hpp"
40 #include "compiler/compilerOracle.hpp"
41 #include "compiler/disassembler.hpp"
42 #include "compiler/oopMap.hpp"
43 #include "jvmci/jvmciCompilerToVM.hpp"
44 #include "jvmci/jvmciCompiler.hpp"
45 #include "jvmci/jvmciEnv.hpp"
46 #include "jvmci/jvmciJavaClasses.hpp"
47 #include "jvmci/jvmciCodeInstaller.hpp"
48 #include "jvmci/vmStructs_jvmci.hpp"
49 #include "gc/g1/heapRegion.hpp"
50 #include "runtime/javaCalls.hpp"
51 #include "runtime/deoptimization.hpp"
52 #include "runtime/timerTrace.hpp"
53 #include "runtime/vframe.hpp"
54 #include "runtime/vframe_hp.hpp"
55 #include "runtime/vmStructs.hpp"
56 #include "utilities/resourceHash.hpp"
57
58
59 // Entry to native method implementation that transitions current thread to '_thread_in_vm'.
60 #define C2V_VMENTRY(result_type, name, signature) \
61 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
62 TRACE_jvmci_1("CompilerToVM::" #name); \
63 TRACE_CALL(result_type, jvmci_ ## name signature) \
64 JVMCI_VM_ENTRY_MARK; \
65
66 #define C2V_END }
67
68 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
69 if (method() != NULL) {
70 JavaValue result(T_OBJECT);
71 JavaCallArguments args;
72 args.push_long((jlong) (address) method());
73 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);
74
75 return (oop)result.get_jobject();
76 }
77 return NULL;
78 }
79
80 oop CompilerToVM::get_jvmci_type(KlassHandle klass, TRAPS) {
81 if (klass() != NULL) {
82 JavaValue result(T_OBJECT);
83 JavaCallArguments args;
84 args.push_oop(klass->java_mirror());
85 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);
86
87 return (oop)result.get_jobject();
88 }
89 return NULL;
90 }
91
92 int CompilerToVM::Data::Klass_vtable_start_offset;
93 int CompilerToVM::Data::Klass_vtable_length_offset;
94
95 int CompilerToVM::Data::Method_extra_stack_entries;
96
97 address CompilerToVM::Data::SharedRuntime_ic_miss_stub;
98 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub;
99 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack;
100 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap;
101
102 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve;
103
104 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap;
105 int CompilerToVM::Data::Universe_base_vtable_size;
106 address CompilerToVM::Data::Universe_narrow_oop_base;
107 int CompilerToVM::Data::Universe_narrow_oop_shift;
108 address CompilerToVM::Data::Universe_narrow_klass_base;
109 int CompilerToVM::Data::Universe_narrow_klass_shift;
110 void* CompilerToVM::Data::Universe_non_oop_bits;
111 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask;
112 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits;
113
114 bool CompilerToVM::Data::_supports_inline_contig_alloc;
115 HeapWord** CompilerToVM::Data::_heap_end_addr;
116 HeapWord* volatile* CompilerToVM::Data::_heap_top_addr;
117 int CompilerToVM::Data::_max_oop_map_stack_offset;
118
119 jbyte* CompilerToVM::Data::cardtable_start_address;
120 int CompilerToVM::Data::cardtable_shift;
121
122 int CompilerToVM::Data::vm_page_size;
123
124 int CompilerToVM::Data::sizeof_vtableEntry = sizeof(vtableEntry);
125 int CompilerToVM::Data::sizeof_ExceptionTableElement = sizeof(ExceptionTableElement);
126 int CompilerToVM::Data::sizeof_LocalVariableTableElement = sizeof(LocalVariableTableElement);
127 int CompilerToVM::Data::sizeof_ConstantPool = sizeof(ConstantPool);
128 int CompilerToVM::Data::sizeof_SymbolPointer = sizeof(Symbol*);
129 int CompilerToVM::Data::sizeof_narrowKlass = sizeof(narrowKlass);
130 int CompilerToVM::Data::sizeof_arrayOopDesc = sizeof(arrayOopDesc);
131 int CompilerToVM::Data::sizeof_BasicLock = sizeof(BasicLock);
132
133 address CompilerToVM::Data::dsin;
134 address CompilerToVM::Data::dcos;
135 address CompilerToVM::Data::dtan;
136 address CompilerToVM::Data::dexp;
137 address CompilerToVM::Data::dlog;
138 address CompilerToVM::Data::dlog10;
139 address CompilerToVM::Data::dpow;
140
141 address CompilerToVM::Data::symbol_init;
142 address CompilerToVM::Data::symbol_clinit;
143
144 void CompilerToVM::Data::initialize(TRAPS) {
145 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset());
146 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset());
147
148 Method_extra_stack_entries = Method::extra_stack_entries();
149
150 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
151 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
152 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
153 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
154
155 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
156
157 Universe_collectedHeap = Universe::heap();
158 Universe_base_vtable_size = Universe::base_vtable_size();
159 Universe_narrow_oop_base = Universe::narrow_oop_base();
160 Universe_narrow_oop_shift = Universe::narrow_oop_shift();
161 Universe_narrow_klass_base = Universe::narrow_klass_base();
162 Universe_narrow_klass_shift = Universe::narrow_klass_shift();
163 Universe_non_oop_bits = Universe::non_oop_word();
164 Universe_verify_oop_mask = Universe::verify_oop_mask();
165 Universe_verify_oop_bits = Universe::verify_oop_bits();
166
167 _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc();
168 _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1;
169 _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord* volatile*) -1;
170
171 _max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size;
172 int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size;
173 assert(OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index)), "should be valid");
174 assert(!OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index + 1)), "should be invalid");
175
176 symbol_init = (address) vmSymbols::object_initializer_name();
177 symbol_clinit = (address) vmSymbols::class_initializer_name();
178
179 BarrierSet* bs = Universe::heap()->barrier_set();
180 switch (bs->kind()) {
181 case BarrierSet::CardTableModRef:
182 case BarrierSet::CardTableForRS:
183 case BarrierSet::CardTableExtension:
184 case BarrierSet::G1SATBCT:
185 case BarrierSet::G1SATBCTLogging: {
186 jbyte* base = barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base;
187 assert(base != 0, "unexpected byte_map_base");
188 cardtable_start_address = base;
189 cardtable_shift = CardTableModRefBS::card_shift;
190 break;
191 }
192 case BarrierSet::ModRef:
193 cardtable_start_address = 0;
194 cardtable_shift = 0;
195 // No post barriers
196 break;
197 default:
198 JVMCI_ERROR("Unsupported BarrierSet kind %d", bs->kind());
199 break;
200 }
201
202 vm_page_size = os::vm_page_size();
203
204 #define SET_TRIGFUNC(name) \
205 if (StubRoutines::name() != NULL) { \
206 name = StubRoutines::name(); \
207 } else { \
208 name = CAST_FROM_FN_PTR(address, SharedRuntime::name); \
209 }
210
211 SET_TRIGFUNC(dsin);
212 SET_TRIGFUNC(dcos);
213 SET_TRIGFUNC(dtan);
214 SET_TRIGFUNC(dexp);
215 SET_TRIGFUNC(dlog10);
216 SET_TRIGFUNC(dlog);
217 SET_TRIGFUNC(dpow);
218
219 #undef SET_TRIGFUNC
220 }
221
222 objArrayHandle CompilerToVM::initialize_intrinsics(TRAPS) {
223 objArrayHandle vmIntrinsics = oopFactory::new_objArray(VMIntrinsicMethod::klass(), (vmIntrinsics::ID_LIMIT - 1), CHECK_(objArrayHandle()));
224 int index = 0;
225 // The intrinsics for a class are usually adjacent to each other.
226 // When they are, the string for the class name can be reused.
227 vmSymbols::SID kls_sid = vmSymbols::NO_SID;
228 Handle kls_str;
229 #define SID_ENUM(n) vmSymbols::VM_SYMBOL_ENUM_NAME(n)
230 #define VM_SYMBOL_TO_STRING(s) \
231 java_lang_String::create_from_symbol(vmSymbols::symbol_at(SID_ENUM(s)), CHECK_(objArrayHandle()))
232 #define VM_INTRINSIC_INFO(id, kls, name, sig, ignore_fcode) { \
233 instanceHandle vmIntrinsicMethod = InstanceKlass::cast(VMIntrinsicMethod::klass())->allocate_instance_handle(CHECK_(objArrayHandle())); \
234 if (kls_sid != SID_ENUM(kls)) { \
235 kls_str = VM_SYMBOL_TO_STRING(kls); \
236 kls_sid = SID_ENUM(kls); \
237 } \
238 Handle name_str = VM_SYMBOL_TO_STRING(name); \
239 Handle sig_str = VM_SYMBOL_TO_STRING(sig); \
240 VMIntrinsicMethod::set_declaringClass(vmIntrinsicMethod, kls_str()); \
241 VMIntrinsicMethod::set_name(vmIntrinsicMethod, name_str()); \
242 VMIntrinsicMethod::set_descriptor(vmIntrinsicMethod, sig_str()); \
243 VMIntrinsicMethod::set_id(vmIntrinsicMethod, vmIntrinsics::id); \
244 vmIntrinsics->obj_at_put(index++, vmIntrinsicMethod()); \
245 }
246
247 VM_INTRINSICS_DO(VM_INTRINSIC_INFO, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE)
248 #undef SID_ENUM
249 #undef VM_SYMBOL_TO_STRING
250 #undef VM_INTRINSIC_INFO
251 assert(index == vmIntrinsics::ID_LIMIT - 1, "must be");
252
253 return vmIntrinsics;
254 }
255
256 /**
257 * The set of VM flags known to be used.
258 */
259 #define PREDEFINED_CONFIG_FLAGS(do_bool_flag, do_intx_flag, do_uintx_flag) \
260 do_intx_flag(AllocateInstancePrefetchLines) \
261 do_intx_flag(AllocatePrefetchDistance) \
262 do_intx_flag(AllocatePrefetchInstr) \
263 do_intx_flag(AllocatePrefetchLines) \
264 do_intx_flag(AllocatePrefetchStepSize) \
265 do_intx_flag(AllocatePrefetchStyle) \
266 do_intx_flag(BciProfileWidth) \
267 do_bool_flag(BootstrapJVMCI) \
268 do_bool_flag(CITime) \
269 do_bool_flag(CITimeEach) \
270 do_uintx_flag(CodeCacheSegmentSize) \
271 do_intx_flag(CodeEntryAlignment) \
272 do_bool_flag(CompactFields) \
273 NOT_PRODUCT(do_intx_flag(CompileTheWorldStartAt)) \
274 NOT_PRODUCT(do_intx_flag(CompileTheWorldStopAt)) \
275 do_intx_flag(ContendedPaddingWidth) \
276 do_bool_flag(DontCompileHugeMethods) \
277 do_bool_flag(EnableContended) \
278 do_intx_flag(FieldsAllocationStyle) \
279 do_bool_flag(FoldStableValues) \
280 do_bool_flag(ForceUnreachable) \
281 do_intx_flag(HugeMethodLimit) \
282 do_bool_flag(Inline) \
283 do_intx_flag(JVMCICounterSize) \
284 do_bool_flag(JVMCIPrintProperties) \
285 do_bool_flag(JVMCIUseFastLocking) \
286 do_intx_flag(MethodProfileWidth) \
287 do_intx_flag(ObjectAlignmentInBytes) \
288 do_bool_flag(PrintInlining) \
289 do_bool_flag(ReduceInitialCardMarks) \
290 do_bool_flag(RestrictContended) \
291 do_intx_flag(StackReservedPages) \
292 do_intx_flag(StackShadowPages) \
293 do_bool_flag(TLABStats) \
294 do_uintx_flag(TLABWasteIncrement) \
295 do_intx_flag(TypeProfileWidth) \
296 do_bool_flag(UseAESIntrinsics) \
297 X86_ONLY(do_intx_flag(UseAVX)) \
298 do_bool_flag(UseBiasedLocking) \
299 do_bool_flag(UseCRC32Intrinsics) \
300 do_bool_flag(UseCompressedClassPointers) \
301 do_bool_flag(UseCompressedOops) \
302 do_bool_flag(UseConcMarkSweepGC) \
303 X86_ONLY(do_bool_flag(UseCountLeadingZerosInstruction)) \
304 X86_ONLY(do_bool_flag(UseCountTrailingZerosInstruction)) \
305 do_bool_flag(UseG1GC) \
306 COMPILER2_PRESENT(do_bool_flag(UseMontgomeryMultiplyIntrinsic)) \
307 COMPILER2_PRESENT(do_bool_flag(UseMontgomerySquareIntrinsic)) \
308 COMPILER2_PRESENT(do_bool_flag(UseMulAddIntrinsic)) \
309 COMPILER2_PRESENT(do_bool_flag(UseMultiplyToLenIntrinsic)) \
310 do_bool_flag(UsePopCountInstruction) \
311 do_bool_flag(UseSHA1Intrinsics) \
312 do_bool_flag(UseSHA256Intrinsics) \
313 do_bool_flag(UseSHA512Intrinsics) \
314 do_intx_flag(UseSSE) \
315 COMPILER2_PRESENT(do_bool_flag(UseSquareToLenIntrinsic)) \
316 do_bool_flag(UseStackBanging) \
317 do_bool_flag(UseTLAB) \
318 do_bool_flag(VerifyOops) \
319
320 #define BOXED_BOOLEAN(name, value) oop name = ((jboolean)(value) ? boxedTrue() : boxedFalse())
321 #define BOXED_DOUBLE(name, value) oop name; do { jvalue p; p.d = (jdouble) (value); name = java_lang_boxing_object::create(T_DOUBLE, &p, CHECK_NULL);} while(0)
322 #define BOXED_LONG(name, value) \
323 oop name; \
324 do { \
325 jvalue p; p.j = (jlong) (value); \
326 Handle* e = longs.get(p.j); \
327 if (e == NULL) { \
328 Handle h = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL); \
329 longs.put(p.j, h); \
330 name = h(); \
331 } else { \
332 name = (*e)(); \
333 } \
334 } while (0)
335
336 #define CSTRING_TO_JSTRING(name, value) \
337 Handle name; \
338 do { \
339 if (value != NULL) { \
340 Handle* e = strings.get(value); \
341 if (e == NULL) { \
342 Handle h = java_lang_String::create_from_str(value, CHECK_NULL); \
343 strings.put(value, h); \
344 name = h(); \
345 } else { \
346 name = (*e)(); \
347 } \
348 } \
349 } while (0)
350
351 C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env))
352 ResourceMark rm;
353 HandleMark hm;
354
355 // Used to canonicalize Long and String values.
356 ResourceHashtable<jlong, Handle> longs;
357 ResourceHashtable<const char*, Handle, &CompilerToVM::cstring_hash, &CompilerToVM::cstring_equals> strings;
358
359 jvalue prim;
360 prim.z = true; Handle boxedTrue = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
361 prim.z = false; Handle boxedFalse = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
362
363 CompilerToVM::Data::initialize(CHECK_NULL);
364
365 VMField::klass()->initialize(CHECK_NULL);
366 VMFlag::klass()->initialize(CHECK_NULL);
367 VMIntrinsicMethod::klass()->initialize(CHECK_NULL);
368
369 int len = JVMCIVMStructs::localHotSpotVMStructs_count();
370 objArrayHandle vmFields = oopFactory::new_objArray(VMField::klass(), len, CHECK_NULL);
371 for (int i = 0; i < len ; i++) {
372 VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i];
373 instanceHandle vmFieldObj = InstanceKlass::cast(VMField::klass())->allocate_instance_handle(CHECK_NULL);
374 size_t name_buf_len = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 /* "::" */;
375 char* name_buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, name_buf_len + 1);
376 sprintf(name_buf, "%s::%s", vmField.typeName, vmField.fieldName);
377 CSTRING_TO_JSTRING(name, name_buf);
378 CSTRING_TO_JSTRING(type, vmField.typeString);
379 VMField::set_name(vmFieldObj, name());
380 VMField::set_type(vmFieldObj, type());
381 VMField::set_offset(vmFieldObj, vmField.offset);
382 VMField::set_address(vmFieldObj, (jlong) vmField.address);
383 if (vmField.isStatic && vmField.typeString != NULL) {
384 if (strcmp(vmField.typeString, "bool") == 0) {
385 BOXED_BOOLEAN(box, *(jbyte*) vmField.address);
386 VMField::set_value(vmFieldObj, box);
387 } else if (strcmp(vmField.typeString, "int") == 0 ||
388 strcmp(vmField.typeString, "jint") == 0) {
389 BOXED_LONG(box, *(jint*) vmField.address);
390 VMField::set_value(vmFieldObj, box);
391 } else if (strcmp(vmField.typeString, "uint64_t") == 0) {
392 BOXED_LONG(box, *(uint64_t*) vmField.address);
393 VMField::set_value(vmFieldObj, box);
394 } else if (strcmp(vmField.typeString, "address") == 0 ||
395 strcmp(vmField.typeString, "intptr_t") == 0 ||
396 strcmp(vmField.typeString, "uintptr_t") == 0 ||
397 strcmp(vmField.typeString, "size_t") == 0 ||
398 // All foo* types are addresses.
399 vmField.typeString[strlen(vmField.typeString) - 1] == '*') {
400 BOXED_LONG(box, *((address*) vmField.address));
401 VMField::set_value(vmFieldObj, box);
402 } else {
403 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString);
404 }
405 }
406 vmFields->obj_at_put(i, vmFieldObj());
407 }
408
409 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count();
410 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count();
411 len = ints_len + longs_len;
412 objArrayHandle vmConstants = oopFactory::new_objArray(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
413 int insert = 0;
414 for (int i = 0; i < ints_len ; i++) {
415 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i];
416 CSTRING_TO_JSTRING(name, c.name);
417 BOXED_LONG(value, c.value);
418 vmConstants->obj_at_put(insert++, name());
419 vmConstants->obj_at_put(insert++, value);
420 }
421 for (int i = 0; i < longs_len ; i++) {
422 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i];
423 CSTRING_TO_JSTRING(name, c.name);
424 BOXED_LONG(value, c.value);
425 vmConstants->obj_at_put(insert++, name());
426 vmConstants->obj_at_put(insert++, value);
427 }
428 assert(insert == len * 2, "must be");
429
430 len = JVMCIVMStructs::localHotSpotVMAddresses_count();
431 objArrayHandle vmAddresses = oopFactory::new_objArray(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
432 for (int i = 0; i < len ; i++) {
433 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i];
434 CSTRING_TO_JSTRING(name, a.name);
435 BOXED_LONG(value, a.value);
436 vmAddresses->obj_at_put(i * 2, name());
437 vmAddresses->obj_at_put(i * 2 + 1, value);
438 }
439
440 #define COUNT_FLAG(ignore) +1
441 #ifdef ASSERT
442 #define CHECK_FLAG(type, name) { \
443 Flag* flag = Flag::find_flag(#name, strlen(#name), /*allow_locked*/ true, /* return_flag */ true); \
444 assert(flag != NULL, "No such flag named " #name); \
445 assert(flag->is_##type(), "Flag " #name " is not of type " #type); \
446 }
447 #else
448 #define CHECK_FLAG(type, name)
449 #endif
450
451 #define ADD_FLAG(type, name, convert) { \
452 CHECK_FLAG(type, name) \
453 instanceHandle vmFlagObj = InstanceKlass::cast(VMFlag::klass())->allocate_instance_handle(CHECK_NULL); \
454 CSTRING_TO_JSTRING(fname, #name); \
455 CSTRING_TO_JSTRING(ftype, #type); \
456 VMFlag::set_name(vmFlagObj, fname()); \
457 VMFlag::set_type(vmFlagObj, ftype()); \
458 convert(value, name); \
459 VMFlag::set_value(vmFlagObj, value); \
460 vmFlags->obj_at_put(i++, vmFlagObj()); \
461 }
462 #define ADD_BOOL_FLAG(name) ADD_FLAG(bool, name, BOXED_BOOLEAN)
463 #define ADD_INTX_FLAG(name) ADD_FLAG(intx, name, BOXED_LONG)
464 #define ADD_UINTX_FLAG(name) ADD_FLAG(uintx, name, BOXED_LONG)
465
466 len = 0 + PREDEFINED_CONFIG_FLAGS(COUNT_FLAG, COUNT_FLAG, COUNT_FLAG);
467 objArrayHandle vmFlags = oopFactory::new_objArray(VMFlag::klass(), len, CHECK_NULL);
468 int i = 0;
469 PREDEFINED_CONFIG_FLAGS(ADD_BOOL_FLAG, ADD_INTX_FLAG, ADD_UINTX_FLAG)
470
471 objArrayHandle vmIntrinsics = CompilerToVM::initialize_intrinsics(CHECK_NULL);
472
473 objArrayOop data = oopFactory::new_objArray(SystemDictionary::Object_klass(), 5, CHECK_NULL);
474 data->obj_at_put(0, vmFields());
475 data->obj_at_put(1, vmConstants());
476 data->obj_at_put(2, vmAddresses());
477 data->obj_at_put(3, vmFlags());
478 data->obj_at_put(4, vmIntrinsics());
479
480 return (jobjectArray) JNIHandles::make_local(THREAD, data);
481 #undef COUNT_FLAG
482 #undef ADD_FLAG
483 #undef ADD_BOOL_FLAG
484 #undef ADD_INTX_FLAG
485 #undef ADD_UINTX_FLAG
486 #undef CHECK_FLAG
487 C2V_END
488
489 C2V_VMENTRY(jobject, getFlagValue, (JNIEnv *, jobject c2vm, jobject name_handle))
490 #define RETURN_BOXED_LONG(value) oop box; jvalue p; p.j = (jlong) (value); box = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box);
491 #define RETURN_BOXED_DOUBLE(value) oop box; jvalue p; p.d = (jdouble) (value); box = java_lang_boxing_object::create(T_DOUBLE, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box);
492 Handle name = JNIHandles::resolve(name_handle);
493 if (name.is_null()) {
494 THROW_0(vmSymbols::java_lang_NullPointerException());
495 }
496 ResourceMark rm;
497 const char* cstring = java_lang_String::as_utf8_string(name());
498 Flag* flag = Flag::find_flag(cstring, strlen(cstring), /* allow_locked */ true, /* return_flag */ true);
499 if (flag == NULL) {
500 return c2vm;
501 }
502 if (flag->is_bool()) {
503 jvalue prim;
504 prim.z = flag->get_bool();
505 oop box = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
506 return JNIHandles::make_local(THREAD, box);
507 } else if (flag->is_ccstr()) {
508 Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL);
509 return JNIHandles::make_local(THREAD, value());
510 } else if (flag->is_intx()) {
511 RETURN_BOXED_LONG(flag->get_intx());
512 } else if (flag->is_int()) {
513 RETURN_BOXED_LONG(flag->get_int());
514 } else if (flag->is_uint()) {
515 RETURN_BOXED_LONG(flag->get_uint());
516 } else if (flag->is_uint64_t()) {
517 RETURN_BOXED_LONG(flag->get_uint64_t());
518 } else if (flag->is_size_t()) {
519 RETURN_BOXED_LONG(flag->get_size_t());
520 } else if (flag->is_uintx()) {
521 RETURN_BOXED_LONG(flag->get_uintx());
522 } else if (flag->is_double()) {
523 RETURN_BOXED_DOUBLE(flag->get_double());
524 } else {
525 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
526 }
527 C2V_END
528
529 #undef BOXED_LONG
530 #undef BOXED_DOUBLE
531 #undef CSTRING_TO_JSTRING
532
533 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
534 methodHandle method = CompilerToVM::asMethod(jvmci_method);
535 ResourceMark rm;
536
537 int code_size = method->code_size();
538 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
539
540 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
541 // iterate over all bytecodes and replace non-Java bytecodes
542
543 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
544 Bytecodes::Code code = s.code();
545 Bytecodes::Code raw_code = s.raw_code();
546 int bci = s.bci();
547 int len = s.instruction_size();
548
549 // Restore original byte code.
550 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
551 if (len > 1) {
552 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
553 }
554
555 if (len > 1) {
556 // Restore the big-endian constant pool indexes.
557 // Cf. Rewriter::scan_method
558 switch (code) {
559 case Bytecodes::_getstatic:
560 case Bytecodes::_putstatic:
561 case Bytecodes::_getfield:
562 case Bytecodes::_putfield:
563 case Bytecodes::_invokevirtual:
564 case Bytecodes::_invokespecial:
565 case Bytecodes::_invokestatic:
566 case Bytecodes::_invokeinterface:
567 case Bytecodes::_invokehandle: {
568 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
569 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
570 break;
571 }
572
573 case Bytecodes::_invokedynamic:
574 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
575 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
576 break;
577 }
578
579 // Not all ldc byte code are rewritten.
580 switch (raw_code) {
581 case Bytecodes::_fast_aldc: {
582 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
583 int cp_index = method->constants()->object_to_cp_index(cpc_index);
584 assert(cp_index < method->constants()->length(), "sanity check");
585 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
586 break;
587 }
588
589 case Bytecodes::_fast_aldc_w: {
590 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
591 int cp_index = method->constants()->object_to_cp_index(cpc_index);
592 assert(cp_index < method->constants()->length(), "sanity check");
593 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
594 break;
595 }
596 }
597 }
598 }
599
600 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
601 C2V_END
602
603 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
604 ResourceMark rm;
605 methodHandle method = CompilerToVM::asMethod(jvmci_method);
606 return method->exception_table_length();
607 C2V_END
608
609 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
610 ResourceMark rm;
611 methodHandle method = CompilerToVM::asMethod(jvmci_method);
612 if (method->exception_table_length() == 0) {
613 return 0L;
614 }
615 return (jlong) (address) method->exception_table_start();
616 C2V_END
617
618 C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle))
619 oop executable = JNIHandles::resolve(executable_handle);
620 oop mirror = NULL;
621 int slot = 0;
622
623 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
624 mirror = java_lang_reflect_Constructor::clazz(executable);
625 slot = java_lang_reflect_Constructor::slot(executable);
626 } else {
627 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
628 mirror = java_lang_reflect_Method::clazz(executable);
629 slot = java_lang_reflect_Method::slot(executable);
630 }
631 Klass* holder = java_lang_Class::as_Klass(mirror);
632 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
633 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
634 return JNIHandles::make_local(THREAD, result);
635 }
636
637 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
638 methodHandle method;
639 oop base_object = JNIHandles::resolve(base);
640 if (base_object == NULL) {
641 method = *((Method**)(offset));
642 } else if (base_object->is_a(SystemDictionary::MemberName_klass())) {
643 method = (Method*) (intptr_t) base_object->long_field(offset);
644 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
645 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
646 } else {
647 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
648 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
649 }
650 assert (method.is_null() || method->is_method(), "invalid read");
651 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
652 return JNIHandles::make_local(THREAD, result);
653 }
654
655 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle))
656 constantPoolHandle cp;
657 oop object = JNIHandles::resolve(object_handle);
658 if (object == NULL) {
659 THROW_0(vmSymbols::java_lang_NullPointerException());
660 }
661 if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
662 cp = CompilerToVM::asMethod(object)->constMethod()->constants();
663 } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
664 cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants();
665 } else {
666 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
667 err_msg("Unexpected type: %s", object->klass()->external_name()));
668 }
669 assert(!cp.is_null(), "npe");
670 JavaValue method_result(T_OBJECT);
671 JavaCallArguments args;
672 args.push_long((jlong) (address) cp());
673 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
674 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
675 }
676
677 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
678 KlassHandle klass;
679 oop base_object = JNIHandles::resolve(base);
680 jlong base_address = 0;
681 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
682 klass = base_object->klass();
683 } else if (!compressed) {
684 if (base_object != NULL) {
685 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
686 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
687 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
688 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
689 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
690 base_address = (jlong) CompilerToVM::asKlass(base_object);
691 } else if (base_object->is_a(SystemDictionary::Class_klass())) {
692 base_address = (jlong) (address) base_object;
693 } else {
694 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
695 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
696 }
697 }
698 klass = *((Klass**) (intptr_t) (base_address + offset));
699 } else {
700 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
701 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
702 }
703 assert (klass.is_null() || klass->is_klass(), "invalid read");
704 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
705 return JNIHandles::make_local(THREAD, result);
706 }
707
708 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
709 ResourceMark rm;
710 methodHandle method = CompilerToVM::asMethod(jvmci_method);
711 KlassHandle holder = CompilerToVM::asKlass(jvmci_type);
712 if (holder->is_interface()) {
713 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
714 }
715
716 methodHandle ucm;
717 {
718 MutexLocker locker(Compile_lock);
719 ucm = Dependencies::find_unique_concrete_method(holder(), method());
720 }
721 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
722 return JNIHandles::make_local(THREAD, result);
723 C2V_END
724
725 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
726 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
727 oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL);
728 return JNIHandles::make_local(THREAD, implementor);
729 C2V_END
730
731 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
732 methodHandle method = CompilerToVM::asMethod(jvmci_method);
733 return method->is_ignored_by_security_stack_walk();
734 C2V_END
735
736 C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method))
737 methodHandle method = CompilerToVM::asMethod(jvmci_method);
738 // Ignore the not_compilable flags in hosted mode since they are never set by
739 // the JVMCI compiler.
740 return UseJVMCICompiler || !method->is_not_compilable(CompLevel_full_optimization);
741 C2V_END
742
743 C2V_VMENTRY(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method))
744 methodHandle method = CompilerToVM::asMethod(jvmci_method);
745 return CompilerOracle::should_not_inline(method) || method->dont_inline();
746 C2V_END
747
748 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
749 methodHandle method = CompilerToVM::asMethod(jvmci_method);
750 return CompilerOracle::should_inline(method) || method->force_inline();
751 C2V_END
752
753 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
754 ResourceMark rm;
755 Handle name = JNIHandles::resolve(jname);
756 Symbol* class_name = java_lang_String::as_symbol(name, CHECK_0);
757 if (java_lang_String::length(name()) <= 1) {
758 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
759 }
760
761 Klass* resolved_klass = NULL;
762 Handle class_loader;
763 Handle protection_domain;
764 if (JNIHandles::resolve(accessing_class) == NULL) {
765 THROW_0(vmSymbols::java_lang_NullPointerException());
766 }
767 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
768 class_loader = accessing_klass->class_loader();
769 protection_domain = accessing_klass->protection_domain();
770
771 if (resolve) {
772 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
773 } else {
774 if (class_name->byte_at(0) == 'L' &&
775 class_name->byte_at(class_name->utf8_length()-1) == ';') {
776 // This is a name from a signature. Strip off the trimmings.
777 // Call recursive to keep scope of strippedsym.
778 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
779 class_name->utf8_length()-2,
780 CHECK_0);
781 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
782 } else if (FieldType::is_array(class_name)) {
783 FieldArrayInfo fd;
784 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
785 // of this call
786 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
787 if (t == T_OBJECT) {
788 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
789 class_name->utf8_length()-2-fd.dimension(),
790 CHECK_0);
791 // naked oop "k" is OK here -- we assign back into it
792 resolved_klass = SystemDictionary::find(strippedsym,
793 class_loader,
794 protection_domain,
795 CHECK_0);
796 if (resolved_klass != NULL) {
797 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
798 }
799 } else {
800 resolved_klass = Universe::typeArrayKlassObj(t);
801 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0);
802 }
803 }
804 }
805 Handle result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
806 return JNIHandles::make_local(THREAD, result());
807 C2V_END
808
809 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
810 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
811 oop result = cp->resolve_constant_at(index, CHECK_NULL);
812 return JNIHandles::make_local(THREAD, result);
813 C2V_END
814
815 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
816 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
817 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
818 return JNIHandles::make_local(THREAD, result);
819 C2V_END
820
821 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
822 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
823 return cp->name_and_type_ref_index_at(index);
824 C2V_END
825
826 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
827 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
828 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
829 return JNIHandles::make_local(THREAD, sym());
830 C2V_END
831
832 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
833 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
834 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
835 return JNIHandles::make_local(THREAD, sym());
836 C2V_END
837
838 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
839 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
840 return cp->klass_ref_index_at(index);
841 C2V_END
842
843 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
844 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
845 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL);
846 Handle klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
847 return JNIHandles::make_local(THREAD, klass());
848 C2V_END
849
850 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
851 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
852 KlassHandle loading_klass(cp->pool_holder());
853 bool is_accessible = false;
854 KlassHandle klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass);
855 Symbol* symbol = NULL;
856 if (klass.is_null()) {
857 symbol = cp->klass_name_at(index);
858 }
859 Handle result;
860 if (!klass.is_null()) {
861 result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
862 } else {
863 result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
864 }
865 return JNIHandles::make_local(THREAD, result());
866 C2V_END
867
868 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
869 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
870 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
871 return JNIHandles::make_local(THREAD, appendix_oop);
872 C2V_END
873
874 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
875 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
876 instanceKlassHandle pool_holder(cp->pool_holder());
877 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
878 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
879 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
880 return JNIHandles::make_local(THREAD, result);
881 C2V_END
882
883 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
884 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
885 return cp->remap_instruction_operand_from_cache(index);
886 C2V_END
887
888 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
889 ResourceMark rm;
890 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
891 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
892 fieldDescriptor fd;
893 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0);
894 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
895 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
896 if (info == NULL || info->length() != 3) {
897 JVMCI_ERROR_NULL("info must not be null and have a length of 3");
898 }
899 info->int_at_put(0, fd.access_flags().as_int());
900 info->int_at_put(1, fd.offset());
901 info->int_at_put(2, fd.index());
902 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL);
903 return JNIHandles::make_local(THREAD, field_holder);
904 C2V_END
905
906 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
907 ResourceMark rm;
908 Klass* klass = CompilerToVM::asKlass(jvmci_type);
909 Method* method = CompilerToVM::asMethod(jvmci_method);
910 if (klass->is_interface()) {
911 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
912 }
913 if (!method->method_holder()->is_interface()) {
914 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Method %s is not held by an interface, this case should be handled in Java code", method->name_and_sig_as_C_string()));
915 }
916 if (!InstanceKlass::cast(klass)->is_linked()) {
917 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
918 }
919 return LinkResolver::vtable_index_of_interface_method(klass, method);
920 C2V_END
921
922 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
923 KlassHandle recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
924 KlassHandle caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
925 methodHandle method = CompilerToVM::asMethod(jvmci_method);
926
927 KlassHandle h_resolved (THREAD, method->method_holder());
928 Symbol* h_name = method->name();
929 Symbol* h_signature = method->signature();
930
931 if (MethodHandles::is_signature_polymorphic_method(method())) {
932 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
933 return NULL;
934 }
935
936 LinkInfo link_info(h_resolved, h_name, h_signature, caller_klass);
937 methodHandle m;
938 // Only do exact lookup if receiver klass has been linked. Otherwise,
939 // the vtable has not been setup, and the LinkResolver will fail.
940 if (recv_klass->is_array_klass() ||
941 InstanceKlass::cast(recv_klass())->is_linked() && !recv_klass->is_interface()) {
942 if (h_resolved->is_interface()) {
943 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
944 } else {
945 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
946 }
947 }
948
949 if (m.is_null()) {
950 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
951 return NULL;
952 }
953
954 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
955 return JNIHandles::make_local(THREAD, result);
956 C2V_END
957
958 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
959 Klass* klass = CompilerToVM::asKlass(jvmci_type);
960 assert(klass != NULL, "method must not be called for primitive types");
961 return Dependencies::find_finalizable_subclass(klass) != NULL;
962 C2V_END
963
964 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
965 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
966 oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL);
967 return JNIHandles::make_local(THREAD, result);
968 C2V_END
969
970 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
971 address target_addr = (address) addr;
972 if (target_addr != 0x0) {
973 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
974 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
975 return MAX2(ABS(off_low), ABS(off_high));
976 }
977 return -1;
978 C2V_END
979
980 C2V_VMENTRY(void, doNotInlineOrCompile,(JNIEnv *, jobject, jobject jvmci_method))
981 methodHandle method = CompilerToVM::asMethod(jvmci_method);
982 method->set_not_c1_compilable();
983 method->set_not_c2_compilable();
984 method->set_dont_inline(true);
985 C2V_END
986
987 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
988 ResourceMark rm;
989 HandleMark hm;
990 Handle target_handle = JNIHandles::resolve(target);
991 Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
992 CodeBlob* cb = NULL;
993 Handle installed_code_handle = JNIHandles::resolve(installed_code);
994 Handle speculation_log_handle = JNIHandles::resolve(speculation_log);
995
996 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR);
997
998 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
999 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0;
1000 CodeInstaller installer(is_immutable_PIC);
1001 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
1002
1003 if (PrintCodeCacheOnCompilation) {
1004 stringStream s;
1005 // Dump code cache into a buffer before locking the tty,
1006 {
1007 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
1008 CodeCache::print_summary(&s, false);
1009 }
1010 ttyLocker ttyl;
1011 tty->print_raw_cr(s.as_string());
1012 }
1013
1014 if (result != JVMCIEnv::ok) {
1015 assert(cb == NULL, "should be");
1016 } else {
1017 if (!installed_code_handle.is_null()) {
1018 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
1019 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
1020 {
1021 // Ensure that all updates to the InstalledCode fields are consistent.
1022 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
1023 InstalledCode::set_address(installed_code_handle, (jlong) cb);
1024 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
1025 if (cb->is_nmethod()) {
1026 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
1027 } else {
1028 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
1029 }
1030 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
1031 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
1032 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
1033 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
1034 }
1035 }
1036 nmethod* nm = cb->as_nmethod_or_null();
1037 if (nm != NULL && installed_code_handle->is_scavengable()) {
1038 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable");
1039 if (!UseG1GC) {
1040 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list");
1041 }
1042 }
1043 }
1044 }
1045 return result;
1046 C2V_END
1047
1048 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
1049 ResourceMark rm;
1050 HandleMark hm;
1051
1052 Handle target_handle = JNIHandles::resolve(target);
1053 Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
1054 Handle metadata_handle = JNIHandles::resolve(metadata);
1055
1056 CodeMetadata code_metadata;
1057 CodeBlob *cb = NULL;
1058 CodeInstaller installer(true /* immutable PIC compilation */);
1059
1060 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
1061 if (result != JVMCIEnv::ok) {
1062 return result;
1063 }
1064
1065 if (code_metadata.get_nr_pc_desc() > 0) {
1066 typeArrayHandle pcArrayOop = oopFactory::new_byteArray(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
1067 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
1068 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
1069 }
1070
1071 if (code_metadata.get_scopes_size() > 0) {
1072 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
1073 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
1074 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
1075 }
1076
1077 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
1078 typeArrayHandle relocArrayOop = oopFactory::new_byteArray((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
1079 if (reloc_buffer->size() > 0) {
1080 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
1081 }
1082 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
1083
1084 const OopMapSet* oopMapSet = installer.oopMapSet();
1085 {
1086 ResourceMark mark;
1087 ImmutableOopMapBuilder builder(oopMapSet);
1088 int oopmap_size = builder.heap_size();
1089 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray(oopmap_size, CHECK_(JVMCIEnv::cache_full));
1090 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
1091 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
1092 }
1093
1094 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
1095
1096 int nr_meta_strings = recorder->nr_meta_strings();
1097 objArrayHandle metadataArrayHandle = oopFactory::new_objectArray(nr_meta_strings, CHECK_(JVMCIEnv::cache_full));
1098 for (int i = 0; i < nr_meta_strings; ++i) {
1099 const char* element = recorder->meta_element(i);
1100 Handle java_string = java_lang_String::create_from_str(element, CHECK_(JVMCIEnv::cache_full));
1101 metadataArrayHandle->obj_at_put(i, java_string());
1102 }
1103 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle());
1104
1105 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
1106 int table_size = handler->size_in_bytes();
1107 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray(table_size, CHECK_(JVMCIEnv::cache_full));
1108
1109 if (table_size > 0) {
1110 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
1111 }
1112 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
1113
1114 return result;
1115 C2V_END
1116
1117 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
1118 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
1119 CompilerStatistics* stats = compiler->stats();
1120 stats->_standard.reset();
1121 stats->_osr.reset();
1122 C2V_END
1123
1124 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
1125 ResourceMark rm;
1126 HandleMark hm;
1127
1128 if (installedCode == NULL) {
1129 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
1130 }
1131
1132 jlong codeBlob = InstalledCode::address(installedCode);
1133 if (codeBlob == 0L) {
1134 return NULL;
1135 }
1136
1137 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
1138 if (cb == NULL) {
1139 return NULL;
1140 }
1141
1142 // We don't want the stringStream buffer to resize during disassembly as it
1143 // uses scoped resource memory. If a nested function called during disassembly uses
1144 // a ResourceMark and the buffer expands within the scope of the mark,
1145 // the buffer becomes garbage when that scope is exited. Experience shows that
1146 // the disassembled code is typically about 10x the code size so a fixed buffer
1147 // sized to 20x code size plus a fixed amount for header info should be sufficient.
1148 int bufferSize = cb->code_size() * 20 + 1024;
1149 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
1150 stringStream st(buffer, bufferSize);
1151 if (cb->is_nmethod()) {
1152 nmethod* nm = (nmethod*) cb;
1153 if (!nm->is_alive()) {
1154 return NULL;
1155 }
1156 }
1157 Disassembler::decode(cb, &st);
1158 if (st.size() <= 0) {
1159 return NULL;
1160 }
1161
1162 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
1163 return JNIHandles::make_local(THREAD, result());
1164 C2V_END
1165
1166 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
1167 ResourceMark rm;
1168 HandleMark hm;
1169
1170 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1171 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
1172 return JNIHandles::make_local(THREAD, element);
1173 C2V_END
1174
1175 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
1176 ResourceMark rm;
1177 HandleMark hm;
1178
1179 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
1180 if (nmethodValue == 0L) {
1181 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
1182 }
1183 nmethod* nm = (nmethod*) (address) nmethodValue;
1184 methodHandle mh = nm->method();
1185 Symbol* signature = mh->signature();
1186 JavaCallArguments jca(mh->size_of_parameters());
1187
1188 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1189 JavaValue result(jap.get_ret_type());
1190 jca.set_alternative_target(nm);
1191 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1192
1193 if (jap.get_ret_type() == T_VOID) {
1194 return NULL;
1195 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
1196 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
1197 } else {
1198 jvalue *value = (jvalue *) result.get_value_addr();
1199 // Narrow the value down if required (Important on big endian machines)
1200 switch (jap.get_ret_type()) {
1201 case T_BOOLEAN:
1202 value->z = (jboolean) value->i;
1203 break;
1204 case T_BYTE:
1205 value->b = (jbyte) value->i;
1206 break;
1207 case T_CHAR:
1208 value->c = (jchar) value->i;
1209 break;
1210 case T_SHORT:
1211 value->s = (jshort) value->i;
1212 break;
1213 }
1214 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
1215 return JNIHandles::make_local(THREAD, o);
1216 }
1217 C2V_END
1218
1219 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
1220 Method* method = CompilerToVM::asMethod(jvmci_method);
1221 if (!method->has_linenumber_table()) {
1222 return NULL;
1223 }
1224 u2 num_entries = 0;
1225 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1226 while (streamForSize.read_pair()) {
1227 num_entries++;
1228 }
1229
1230 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1231 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
1232
1233 int i = 0;
1234 jlong value;
1235 while (stream.read_pair()) {
1236 value = ((long) stream.bci());
1237 result->long_at_put(i, value);
1238 value = ((long) stream.line());
1239 result->long_at_put(i + 1, value);
1240 i += 2;
1241 }
1242
1243 return (jlongArray) JNIHandles::make_local(THREAD, result);
1244 C2V_END
1245
1246 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
1247 ResourceMark rm;
1248 Method* method = CompilerToVM::asMethod(jvmci_method);
1249 if (!method->has_localvariable_table()) {
1250 return 0;
1251 }
1252 return (jlong) (address) method->localvariable_table_start();
1253 C2V_END
1254
1255 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
1256 ResourceMark rm;
1257 Method* method = CompilerToVM::asMethod(jvmci_method);
1258 return method->localvariable_table_length();
1259 C2V_END
1260
1261 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
1262 Method* method = CompilerToVM::asMethod(jvmci_method);
1263 MethodCounters* mcs = method->method_counters();
1264 if (mcs != NULL) {
1265 mcs->clear_counters();
1266 }
1267 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1268
1269 CompiledMethod* code = method->code();
1270 if (code != NULL) {
1271 code->make_not_entrant();
1272 }
1273
1274 MethodData* method_data = method->method_data();
1275 if (method_data == NULL) {
1276 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1277 method_data = MethodData::allocate(loader_data, method, CHECK);
1278 method->set_method_data(method_data);
1279 } else {
1280 method_data->initialize();
1281 }
1282 C2V_END
1283
1284
1285 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1286 Handle installed_code_handle = JNIHandles::resolve(installed_code);
1287 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1288 C2V_END
1289
1290 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1291 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1292 JavaThread::collect_counters(arrayOop);
1293 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1294 C2V_END
1295
1296 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1297 HandleMark hm;
1298 ResourceMark rm;
1299 if (JNIHandles::resolve(jvmci_method) == NULL) {
1300 THROW_0(vmSymbols::java_lang_NullPointerException());
1301 }
1302 Method* method = CompilerToVM::asMethod(jvmci_method);
1303 if (entry_bci >= method->code_size() || entry_bci < -1) {
1304 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1305 }
1306 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1307 C2V_END
1308
1309
1310 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1311 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1312 return mdo != NULL && mdo->is_mature();
1313 C2V_END
1314
1315 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1316 Method* method = CompilerToVM::asMethod(jvmci_method);
1317 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1318 C2V_END
1319
1320 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1321 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1322 return JNIHandles::make_local(THREAD, sym());
1323 C2V_END
1324
1325 bool matches(jobjectArray methods, Method* method) {
1326 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1327
1328 for (int i = 0; i < methods_oop->length(); i++) {
1329 oop resolved = methods_oop->obj_at(i);
1330 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1331 return true;
1332 }
1333 }
1334 return false;
1335 }
1336
1337 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1338 ResourceMark rm;
1339
1340 if (!thread->has_last_Java_frame()) return NULL;
1341 Handle result = HotSpotStackFrameReference::klass()->allocate_instance(thread);
1342 HotSpotStackFrameReference::klass()->initialize(thread);
1343
1344 StackFrameStream fst(thread);
1345 if (hs_frame != NULL) {
1346 // look for the correct stack frame if one is given
1347 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1348 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1349 fst.next();
1350 }
1351 if (fst.current()->sp() != stack_pointer) {
1352 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1353 }
1354 }
1355
1356 int frame_number = 0;
1357 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1358 if (hs_frame != NULL) {
1359 // look for the correct vframe within the stack frame if one is given
1360 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1361 while (frame_number < last_frame_number) {
1362 if (vf->is_top()) {
1363 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1364 }
1365 vf = vf->sender();
1366 frame_number ++;
1367 }
1368 // move one frame forward
1369 if (vf->is_top()) {
1370 if (fst.is_done()) {
1371 return NULL;
1372 }
1373 fst.next();
1374 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1375 frame_number = 0;
1376 } else {
1377 vf = vf->sender();
1378 frame_number++;
1379 }
1380 }
1381
1382 while (true) {
1383 // look for the given method
1384 while (true) {
1385 StackValueCollection* locals = NULL;
1386 if (vf->is_compiled_frame()) {
1387 // compiled method frame
1388 compiledVFrame* cvf = compiledVFrame::cast(vf);
1389 if (methods == NULL || matches(methods, cvf->method())) {
1390 if (initialSkip > 0) {
1391 initialSkip --;
1392 } else {
1393 ScopeDesc* scope = cvf->scope();
1394 // native wrapper do not have a scope
1395 if (scope != NULL && scope->objects() != NULL) {
1396 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), THREAD);
1397 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false);
1398
1399 GrowableArray<ScopeValue*>* local_values = scope->locals();
1400 typeArrayHandle array = oopFactory::new_boolArray(local_values->length(), thread);
1401 for (int i = 0; i < local_values->length(); i++) {
1402 ScopeValue* value = local_values->at(i);
1403 if (value->is_object()) {
1404 array->bool_at_put(i, true);
1405 }
1406 }
1407 HotSpotStackFrameReference::set_localIsVirtual(result, array());
1408 } else {
1409 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1410 }
1411
1412 locals = cvf->locals();
1413 HotSpotStackFrameReference::set_bci(result, cvf->bci());
1414 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1415 HotSpotStackFrameReference::set_method(result, method);
1416 }
1417 }
1418 } else if (vf->is_interpreted_frame()) {
1419 // interpreted method frame
1420 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1421 if (methods == NULL || matches(methods, ivf->method())) {
1422 if (initialSkip > 0) {
1423 initialSkip --;
1424 } else {
1425 locals = ivf->locals();
1426 HotSpotStackFrameReference::set_bci(result, ivf->bci());
1427 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1428 HotSpotStackFrameReference::set_method(result, method);
1429 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1430 }
1431 }
1432 }
1433
1434 // locals != NULL means that we found a matching frame and result is already partially initialized
1435 if (locals != NULL) {
1436 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1437 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1438 HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1439
1440 // initialize the locals array
1441 objArrayHandle array = oopFactory::new_objectArray(locals->size(), thread);
1442 for (int i = 0; i < locals->size(); i++) {
1443 StackValue* var = locals->at(i);
1444 if (var->type() == T_OBJECT) {
1445 array->obj_at_put(i, locals->at(i)->get_obj()());
1446 }
1447 }
1448 HotSpotStackFrameReference::set_locals(result, array());
1449
1450 return JNIHandles::make_local(thread, result());
1451 }
1452
1453 if (vf->is_top()) {
1454 break;
1455 }
1456 frame_number++;
1457 vf = vf->sender();
1458 } // end of vframe loop
1459
1460 if (fst.is_done()) {
1461 break;
1462 }
1463 fst.next();
1464 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1465 frame_number = 0;
1466 } // end of frame loop
1467
1468 // the end was reached without finding a matching method
1469 return NULL;
1470 C2V_END
1471
1472 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1473 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1474 CallInfo callInfo;
1475 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1476 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1477 cp_cache_entry->set_dynamic_call(cp, callInfo);
1478 C2V_END
1479
1480 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1481 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1482 KlassHandle holder = cp->klass_ref_at(index, CHECK);
1483 Symbol* name = cp->name_ref_at(index);
1484 if (MethodHandles::is_signature_polymorphic_name(holder(), name)) {
1485 CallInfo callInfo;
1486 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1487 ConstantPoolCacheEntry* cp_cache_entry = cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1488 cp_cache_entry->set_method_handle(cp, callInfo);
1489 }
1490 C2V_END
1491
1492 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
1493 objArrayHandle holders = oopFactory::new_objArray(SystemDictionary::String_klass(), 2, CHECK_NULL);
1494 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
1495 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
1496 holders->obj_at_put(0, mh());
1497 holders->obj_at_put(1, vh());
1498 return JNIHandles::make_local(THREAD, holders());
1499 C2V_END
1500
1501 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1502 //see compute_recording_non_safepoints in debugInfroRec.cpp
1503 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1504 return true;
1505 }
1506 return DebugNonSafepoints;
1507 C2V_END
1508
1509 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1510 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1511 ResourceMark rm;
1512
1513 if (hs_frame == NULL) {
1514 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1515 }
1516
1517 HotSpotStackFrameReference::klass()->initialize(thread);
1518
1519 // look for the given stack frame
1520 StackFrameStream fst(thread);
1521 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1522 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1523 fst.next();
1524 }
1525 if (fst.current()->sp() != stack_pointer) {
1526 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1527 }
1528
1529 if (invalidate) {
1530 if (!fst.current()->is_compiled_frame()) {
1531 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1532 }
1533 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1534 ((nmethod*) fst.current()->cb())->make_not_entrant();
1535 }
1536 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1537 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1538 StackFrameStream fstAfterDeopt(thread);
1539 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1540 fstAfterDeopt.next();
1541 }
1542 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1543 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1544 }
1545
1546 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1547 if (!vf->is_compiled_frame()) {
1548 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1549 }
1550
1551 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1552 while (true) {
1553 assert(vf->is_compiled_frame(), "Wrong frame type");
1554 virtualFrames->push(compiledVFrame::cast(vf));
1555 if (vf->is_top()) {
1556 break;
1557 }
1558 vf = vf->sender();
1559 }
1560
1561 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1562 if (last_frame_number >= virtualFrames->length()) {
1563 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1564 }
1565
1566 // Reallocate the non-escaping objects and restore their fields.
1567 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1568 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1569
1570 if (objects == NULL) {
1571 // no objects to materialize
1572 return;
1573 }
1574
1575 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, THREAD);
1576 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1577
1578 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1579 compiledVFrame* cvf = virtualFrames->at(frame_index);
1580
1581 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1582 StackValueCollection* locals = cvf->locals();
1583
1584 if (locals != NULL) {
1585 for (int i2 = 0; i2 < locals->size(); i2++) {
1586 StackValue* var = locals->at(i2);
1587 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1588 jvalue val;
1589 val.l = (jobject) locals->at(i2)->get_obj()();
1590 cvf->update_local(T_OBJECT, i2, val);
1591 }
1592 }
1593 }
1594 }
1595
1596 // all locals are materialized by now
1597 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1598
1599 // update the locals array
1600 objArrayHandle array = HotSpotStackFrameReference::locals(hs_frame);
1601 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1602 for (int i = 0; i < locals->size(); i++) {
1603 StackValue* var = locals->at(i);
1604 if (var->type() == T_OBJECT) {
1605 array->obj_at_put(i, locals->at(i)->get_obj()());
1606 }
1607 }
1608 C2V_END
1609
1610 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1611 if (bytes == NULL) {
1612 THROW(vmSymbols::java_lang_NullPointerException());
1613 }
1614 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1615
1616 // Check if offset and length are non negative.
1617 if (offset < 0 || length < 0) {
1618 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1619 }
1620 // Check if the range is valid.
1621 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1622 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1623 }
1624 while (length > 0) {
1625 jbyte* start = array->byte_at_addr(offset);
1626 tty->write((char*) start, MIN2(length, O_BUFLEN));
1627 length -= O_BUFLEN;
1628 offset += O_BUFLEN;
1629 }
1630 C2V_END
1631
1632 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1633 tty->flush();
1634 C2V_END
1635
1636 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1637 ResourceMark rm;
1638 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1639 ProfileData* profile_data = mdo->data_at(position);
1640 if (mdo->is_valid(profile_data)) {
1641 return profile_data->size_in_bytes();
1642 }
1643 DataLayout* data = mdo->extra_data_base();
1644 DataLayout* end = mdo->extra_data_limit();
1645 for (;; data = mdo->next_extra(data)) {
1646 assert(data < end, "moved past end of extra data");
1647 profile_data = data->data_in();
1648 if (mdo->dp_to_di(profile_data->dp()) == position) {
1649 return profile_data->size_in_bytes();
1650 }
1651 }
1652 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1653 C2V_END
1654
1655 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass))
1656 Klass *k = CompilerToVM::asKlass(metaspace_klass);
1657 if (k->is_instance_klass()) {
1658 return InstanceKlass::cast(k)->get_stored_fingerprint();
1659 } else {
1660 return 0;
1661 }
1662 C2V_END
1663
1664 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1665 if (bytecode_frame_handle == NULL) {
1666 THROW_0(vmSymbols::java_lang_NullPointerException());
1667 }
1668
1669 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1670 oop bytecode_frame = top_bytecode_frame;
1671 int size = 0;
1672 int callee_parameters = 0;
1673 int callee_locals = 0;
1674 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1675 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1676
1677 while (bytecode_frame != NULL) {
1678 int locks = BytecodeFrame::numLocks(bytecode_frame);
1679 int temps = BytecodeFrame::numStack(bytecode_frame);
1680 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1681 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1682
1683 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1684 temps + callee_parameters,
1685 extra_args,
1686 locks,
1687 callee_parameters,
1688 callee_locals,
1689 is_top_frame);
1690 size += frame_size;
1691
1692 callee_parameters = method->size_of_parameters();
1693 callee_locals = method->max_locals();
1694 extra_args = 0;
1695 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1696 }
1697 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1698 C2V_END
1699
1700 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
1701 Handle lambda_form = JNIHandles::resolve_non_null(lambda_form_handle);
1702 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1703 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
1704 JavaValue result(T_VOID);
1705 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1706 } else {
1707 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1708 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
1709 }
1710 C2V_END
1711
1712 #define CC (char*) /*cast a literal from (const char*)*/
1713 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1714
1715 #define STRING "Ljava/lang/String;"
1716 #define OBJECT "Ljava/lang/Object;"
1717 #define CLASS "Ljava/lang/Class;"
1718 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
1719 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1720 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1721 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1722 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1723 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1724 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1725 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1726 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1727 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1728 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1729 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1730 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1731 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1732 #define METASPACE_METHOD_DATA "J"
1733
1734 JNINativeMethod CompilerToVM::methods[] = {
1735 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
1736 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
1737 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
1738 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1739 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1740 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1741 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1742 {CC "doNotInlineOrCompile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(doNotInlineOrCompile)},
1743 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
1744 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
1745 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
1746 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1747 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
1748 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1749 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
1750 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
1751 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1752 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)},
1753 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1754 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1755 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
1756 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1757 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1758 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1759 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
1760 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
1761 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1762 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
1763 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1764 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1765 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
1766 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
1767 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
1768 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1769 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1770 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1771 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
1772 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
1773 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
1774 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
1775 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
1776 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
1777 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
1778 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
1779 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
1780 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
1781 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
1782 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
1783 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
1784 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
1785 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
1786 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
1787 {CC "getNextStackFrame", CC "(" HS_STACK_FRAME_REF "[" RESOLVED_METHOD "I)" HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)},
1788 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
1789 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
1790 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
1791 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
1792 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
1793 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
1794 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
1795 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
1796 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
1797 };
1798
1799 int CompilerToVM::methods_count() {
1800 return sizeof(methods) / sizeof(JNINativeMethod);
1801 }